145469737 has 8 divisors (see below), whose sum is σ = 167561216. Its totient is φ = 123705792.

The previous prime is 145469729. The next prime is 145469749. The reversal of 145469737 is 737964541.

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

It is not a de Polignac number, because 145469737 - 2³ = 145469729 is a prime.

It is a super-2 number, since 2×145469737² = 42322888765698338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145469777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80928 + ... + 82705.

It is an arithmetic number, because the mean of its divisors is an integer number (20945152).

Almost surely, 2^145469737 is an apocalyptic number.

It is an amenable number.

145469737 is a deficient number, since it is larger than the sum of its proper divisors (22091479).

145469737 is a wasteful number, since it uses less digits than its factorization.

145469737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163767.

The product of its digits is 635040, while the sum is 46.

The square root of 145469737 is about 12061.0835748700. The cubic root of 145469737 is about 525.9254871391.

The spelling of 145469737 in words is "one hundred forty-five million, four hundred sixty-nine thousand, seven hundred thirty-seven".