145274685 has 16 divisors (see below), whose sum is σ = 238109760. Its totient is φ = 75589760.

The previous prime is 145274671. The next prime is 145274713. The reversal of 145274685 is 586472541.

It is a happy number.

It is not a de Polignac number, because 145274685 - 2⁵ = 145274653 is a prime.

It is a super-2 number, since 2×145274685² = 42209468203698450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117495 + ... + 118724.

It is an arithmetic number, because the mean of its divisors is an integer number (14881860).

Almost surely, 2^145274685 is an apocalyptic number.

145274685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145274685 is a deficient number, since it is larger than the sum of its proper divisors (92835075).

145274685 is a wasteful number, since it uses less digits than its factorization.

145274685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236268.

The product of its digits is 268800, while the sum is 42.

The square root of 145274685 is about 12052.9948560513. The cubic root of 145274685 is about 525.6903209262.

The spelling of 145274685 in words is "one hundred forty-five million, two hundred seventy-four thousand, six hundred eighty-five".