145887929 has 8 divisors (see below), whose sum is σ = 163452288. Its totient is φ = 129040560.

The previous prime is 145887913. The next prime is 145887961. The reversal of 145887929 is 929788541.

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

It is not a de Polignac number, because 145887929 - 2⁴ = 145887913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145887979) 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, 178817 + ... + 179630.

It is an arithmetic number, because the mean of its divisors is an integer number (20431536).

Almost surely, 2^145887929 is an apocalyptic number.

It is an amenable number.

145887929 is a deficient number, since it is larger than the sum of its proper divisors (17564359).

145887929 is a wasteful number, since it uses less digits than its factorization.

145887929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358495.

The product of its digits is 1451520, while the sum is 53.

The square root of 145887929 is about 12078.4075523225. The cubic root of 145887929 is about 526.4289765359.

The spelling of 145887929 in words is "one hundred forty-five million, eight hundred eighty-seven thousand, nine hundred twenty-nine".