145037572 has 6 divisors (see below), whose sum is σ = 253815758. Its totient is φ = 72518784.

The previous prime is 145037551. The next prime is 145037579. The reversal of 145037572 is 275730541.

It can be written as a sum of positive squares in only one way, i.e., 112021056 + 33016516 = 10584^2 + 5746^2 .

It is not an unprimeable number, because it can be changed into a prime (145037579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18129693 + ... + 18129700.

Almost surely, 2^145037572 is an apocalyptic number.

It is an amenable number.

145037572 is a deficient number, since it is larger than the sum of its proper divisors (108778186).

145037572 is a wasteful number, since it uses less digits than its factorization.

145037572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36259397 (or 36259395 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 145037572 is about 12043.1545701282. The cubic root of 145037572 is about 525.4041598371.

The spelling of 145037572 in words is "one hundred forty-five million, thirty-seven thousand, five hundred seventy-two".