145135372 has 24 divisors (see below), whose sum is σ = 263259360. Its totient is φ = 69928320.

The previous prime is 145135369. The next prime is 145135373. The reversal of 145135372 is 273531541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145135373) 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, 83472 + ... + 85192.

It is an arithmetic number, because the mean of its divisors is an integer number (10969140).

Almost surely, 2^145135372 is an apocalyptic number.

It is an amenable number.

145135372 is a deficient number, since it is larger than the sum of its proper divisors (118123988).

145135372 is a wasteful number, since it uses less digits than its factorization.

145135372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2479 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 145135372 is about 12047.2142838085. The cubic root of 145135372 is about 525.5222280517.

The spelling of 145135372 in words is "one hundred forty-five million, one hundred thirty-five thousand, three hundred seventy-two".