145125634 has 8 divisors (see below), whose sum is σ = 230493708. Its totient is φ = 68294400.

The previous prime is 145125623. The next prime is 145125637. The reversal of 145125634 is 436521541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140351409 + 4774225 = 11847^2 + 2185^2 .

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

It is a super-2 number, since 2×145125634² = 42122899287803912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145125596 and 145125605.

It is not an unprimeable number, because it can be changed into a prime (145125637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134167 + ... + 2134234.

Almost surely, 2^145125634 is an apocalyptic number.

145125634 is a deficient number, since it is larger than the sum of its proper divisors (85368074).

145125634 is a wasteful number, since it uses less digits than its factorization.

145125634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268420.

The product of its digits is 14400, while the sum is 31.

The square root of 145125634 is about 12046.8101172053. The cubic root of 145125634 is about 525.5104743125.

The spelling of 145125634 in words is "one hundred forty-five million, one hundred twenty-five thousand, six hundred thirty-four".