145200572 has 24 divisors (see below), whose sum is σ = 278371632. Its totient is φ = 65721600.

The previous prime is 145200571. The next prime is 145200581. The reversal of 145200572 is 275002541.

It is a super-2 number, since 2×145200572² = 42166412218254368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145200571) 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, 3758 + ... + 17450.

It is an arithmetic number, because the mean of its divisors is an integer number (11598818).

Almost surely, 2^145200572 is an apocalyptic number.

It is an amenable number.

145200572 is a deficient number, since it is larger than the sum of its proper divisors (133171060).

145200572 is a wasteful number, since it uses less digits than its factorization.

145200572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13949 (or 13947 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 145200572 is about 12049.9199997344. The cubic root of 145200572 is about 525.6009107307.

The spelling of 145200572 in words is "one hundred forty-five million, two hundred thousand, five hundred seventy-two".