145255764 has 24 divisors (see below), whose sum is σ = 353666880. Its totient is φ = 46313344.

The previous prime is 145255723. The next prime is 145255771. The reversal of 145255764 is 467552541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262869 + ... + 263420.

It is an arithmetic number, because the mean of its divisors is an integer number (14736120).

Almost surely, 2^145255764 is an apocalyptic number.

It is an amenable number.

145255764 is an abundant number, since it is smaller than the sum of its proper divisors (208411116).

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

145255764 is a wasteful number, since it uses less digits than its factorization.

145255764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526319 (or 526317 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 145255764 is about 12052.2099218359. The cubic root of 145255764 is about 525.6674974535.

The spelling of 145255764 in words is "one hundred forty-five million, two hundred fifty-five thousand, seven hundred sixty-four".