145707502 has 16 divisors (see below), whose sum is σ = 226058112. Its totient is φ = 70364160.

The previous prime is 145707491. The next prime is 145707503. The reversal of 145707502 is 205707541.

It is a super-2 number, since 2×145707502² = 42461352278160008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145707503) 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, 33738 + ... + 37810.

It is an arithmetic number, because the mean of its divisors is an integer number (14128632).

Almost surely, 2^145707502 is an apocalyptic number.

145707502 is a deficient number, since it is larger than the sum of its proper divisors (80350610).

145707502 is a wasteful number, since it uses less digits than its factorization.

145707502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 145707502 is about 12070.9362520063. The cubic root of 145707502 is about 526.2118665372.

The spelling of 145707502 in words is "one hundred forty-five million, seven hundred seven thousand, five hundred two".