145770152 has 24 divisors (see below), whose sum is σ = 300427050. Its totient is φ = 66258720.

The previous prime is 145770151. The next prime is 145770197. The reversal of 145770152 is 251077541.

It can be written as a sum of positive squares in only one way, i.e., 114789796 + 30980356 = 10714^2 + 5566^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145770151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74327 + ... + 76262.

Almost surely, 2^145770152 is an apocalyptic number.

It is an amenable number.

145770152 is an abundant number, since it is smaller than the sum of its proper divisors (154656898).

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

145770152 is a wasteful number, since it uses less digits than its factorization.

145770152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150617 (or 150602 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 145770152 is about 12073.5310493658. The cubic root of 145770152 is about 526.2872743442.

The spelling of 145770152 in words is "one hundred forty-five million, seven hundred seventy thousand, one hundred fifty-two".