145304634 has 8 divisors (see below), whose sum is σ = 290609280. Its totient is φ = 48434876.

The previous prime is 145304629. The next prime is 145304681. The reversal of 145304634 is 436403541.

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

145304634 is an admirable number.

It is a super-2 number, since 2×145304634² = 42226873323747912, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12108714 + ... + 12108725.

It is an arithmetic number, because the mean of its divisors is an integer number (36326160).

Almost surely, 2^145304634 is an apocalyptic number.

145304634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145304634 is a wasteful number, since it uses less digits than its factorization.

145304634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24217444.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 145304634 is about 12054.2371803445. The cubic root of 145304634 is about 525.7264428829.

The spelling of 145304634 in words is "one hundred forty-five million, three hundred four thousand, six hundred thirty-four".