145632507 has 8 divisors (see below), whose sum is σ = 195594576. Its totient is φ = 96379392.

The previous prime is 145632503. The next prime is 145632541. The reversal of 145632507 is 705236541.

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

It is not a de Polignac number, because 145632507 - 2² = 145632503 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145632503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176758 + ... + 177579.

It is an arithmetic number, because the mean of its divisors is an integer number (24449322).

Almost surely, 2^145632507 is an apocalyptic number.

145632507 is a deficient number, since it is larger than the sum of its proper divisors (49962069).

145632507 is a wasteful number, since it uses less digits than its factorization.

145632507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354477.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 145632507 is about 12067.8294237199. The cubic root of 145632507 is about 526.1215714120.

The spelling of 145632507 in words is "one hundred forty-five million, six hundred thirty-two thousand, five hundred seven".