145572130 has 32 divisors (see below), whose sum is σ = 286348608. Its totient is φ = 52843200.

The previous prime is 145572107. The next prime is 145572143. The reversal of 145572130 is 31275541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119404 + ... + 120616.

It is an arithmetic number, because the mean of its divisors is an integer number (8948394).

Almost surely, 2^145572130 is an apocalyptic number.

145572130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145572130 is a deficient number, since it is larger than the sum of its proper divisors (140776478).

145572130 is a wasteful number, since it uses less digits than its factorization.

145572130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 145572130 is about 12065.3275960498. The cubic root of 145572130 is about 526.0488540551.

It can be divided in two parts, 145 and 572130, that added together give a palindrome (572275).

The spelling of 145572130 in words is "one hundred forty-five million, five hundred seventy-two thousand, one hundred thirty".