145232402 has 16 divisors (see below), whose sum is σ = 253668672. Its totient is φ = 61067760.

The previous prime is 145232387. The next prime is 145232407. The reversal of 145232402 is 204232541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145232407) 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, 97124 + ... + 98607.

It is an arithmetic number, because the mean of its divisors is an integer number (15854292).

Almost surely, 2^145232402 is an apocalyptic number.

145232402 is a deficient number, since it is larger than the sum of its proper divisors (108436270).

145232402 is a wasteful number, since it uses less digits than its factorization.

145232402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195793.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 145232402 is about 12051.2406830168. The cubic root of 145232402 is about 525.6393142861.

Adding to 145232402 its reverse (204232541), we get a palindrome (349464943).

The spelling of 145232402 in words is "one hundred forty-five million, two hundred thirty-two thousand, four hundred two".