145159428 has 24 divisors (see below), whose sum is σ = 339044832. Its totient is φ = 48337984.

The previous prime is 145159423. The next prime is 145159439. The reversal of 145159428 is 824951541.

It is not an unprimeable number, because it can be changed into a prime (145159423) 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, 7651 + ... + 18677.

It is an arithmetic number, because the mean of its divisors is an integer number (14126868).

Almost surely, 2^145159428 is an apocalyptic number.

It is an amenable number.

145159428 is an abundant number, since it is smaller than the sum of its proper divisors (193885404).

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

145159428 is a wasteful number, since it uses less digits than its factorization.

145159428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131 (or 12129 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 145159428 is about 12048.2126475258. The cubic root of 145159428 is about 525.5512613239.

The spelling of 145159428 in words is "one hundred forty-five million, one hundred fifty-nine thousand, four hundred twenty-eight".