145353694 has 8 divisors (see below), whose sum is σ = 218272608. Its totient is φ = 72596160.

The previous prime is 145353683. The next prime is 145353707. The reversal of 145353694 is 496353541.

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

It is a super-2 number, since 2×145353694² = 42255392718891272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38067 + ... + 41710.

It is an arithmetic number, because the mean of its divisors is an integer number (27284076).

Almost surely, 2^145353694 is an apocalyptic number.

145353694 is a deficient number, since it is larger than the sum of its proper divisors (72918914).

145353694 is an equidigital number, since it uses as much as digits as its factorization.

145353694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80690.

The product of its digits is 194400, while the sum is 40.

The square root of 145353694 is about 12056.2719776886. The cubic root of 145353694 is about 525.7856041919.

The spelling of 145353694 in words is "one hundred forty-five million, three hundred fifty-three thousand, six hundred ninety-four".