3724520145 has 32 divisors (see below), whose sum is σ = 6098032512. Its totient is φ = 1940470272.

The previous prime is 3724520143. The next prime is 3724520153. The reversal of 3724520145 is 5410254273.

It is not a de Polignac number, because 3724520145 - 2¹ = 3724520143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3724520143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175182 + ... + 195288.

It is an arithmetic number, because the mean of its divisors is an integer number (190563516).

Almost surely, 2^3724520145 is an apocalyptic number.

It is an amenable number.

3724520145 is a deficient number, since it is larger than the sum of its proper divisors (2373512367).

3724520145 is a wasteful number, since it uses less digits than its factorization.

3724520145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20401.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 3724520145 is about 61028.8468267261. The cubic root of 3724520145 is about 1550.0895050638.

The spelling of 3724520145 in words is "three billion, seven hundred twenty-four million, five hundred twenty thousand, one hundred forty-five".