145195349 has 8 divisors (see below), whose sum is σ = 156507960. Its totient is φ = 133903296.

The previous prime is 145195339. The next prime is 145195357. The reversal of 145195349 is 943591541.

It can be written as a sum of positive squares in 4 ways, for example, as 60684100 + 84511249 = 7790^2 + 9193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145195349 - 2⁴ = 145195333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145195319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11567 + ... + 20595.

It is an arithmetic number, because the mean of its divisors is an integer number (19563495).

Almost surely, 2^145195349 is an apocalyptic number.

It is an amenable number.

145195349 is a deficient number, since it is larger than the sum of its proper divisors (11312611).

145195349 is a wasteful number, since it uses less digits than its factorization.

145195349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279.

The product of its digits is 97200, while the sum is 41.

The square root of 145195349 is about 12049.7032743549. The cubic root of 145195349 is about 525.5946085368.

The spelling of 145195349 in words is "one hundred forty-five million, one hundred ninety-five thousand, three hundred forty-nine".