145099752 has 32 divisors (see below), whose sum is σ = 414571200. Its totient is φ = 41457024.

The previous prime is 145099741. The next prime is 145099783. The reversal of 145099752 is 257990541.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 431677 + ... + 432012.

It is an arithmetic number, because the mean of its divisors is an integer number (12955350).

Almost surely, 2^145099752 is an apocalyptic number.

145099752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145099752 is an abundant number, since it is smaller than the sum of its proper divisors (269471448).

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

145099752 is a wasteful number, since it uses less digits than its factorization.

145099752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863705 (or 863701 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 145099752 is about 12045.7358430276. The cubic root of 145099752 is about 525.4792322538.

The spelling of 145099752 in words is "one hundred forty-five million, ninety-nine thousand, seven hundred fifty-two".