145701272 has 32 divisors (see below), whose sum is σ = 288159600. Its totient is φ = 68874624.

The previous prime is 145701263. The next prime is 145701313. The reversal of 145701272 is 272107541.

145701272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 132758 + ... + 133850.

Almost surely, 2^145701272 is an apocalyptic number.

It is an amenable number.

145701272 is a deficient number, since it is larger than the sum of its proper divisors (142458328).

145701272 is a wasteful number, since it uses less digits than its factorization.

145701272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 145701272 is about 12070.6781913859. The cubic root of 145701272 is about 526.2043667022.

The spelling of 145701272 in words is "one hundred forty-five million, seven hundred one thousand, two hundred seventy-two".