145119761 has 4 divisors (see below), whose sum is σ = 146956800. Its totient is φ = 143282724.

The previous prime is 145119757. The next prime is 145119817. The reversal of 145119761 is 167911541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145119761 - 2² = 145119757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145119731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918401 + ... + 918558.

It is an arithmetic number, because the mean of its divisors is an integer number (36739200).

Almost surely, 2^145119761 is an apocalyptic number.

It is an amenable number.

145119761 is a deficient number, since it is larger than the sum of its proper divisors (1837039).

145119761 is an equidigital number, since it uses as much as digits as its factorization.

145119761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837038.

The product of its digits is 7560, while the sum is 35.

The square root of 145119761 is about 12046.5663572655. The cubic root of 145119761 is about 525.5033853635.

It can be divided in two parts, 1451 and 19761, that added together give a palindrome (21212).

The spelling of 145119761 in words is "one hundred forty-five million, one hundred nineteen thousand, seven hundred sixty-one".