145540602 has 12 divisors (see below), whose sum is σ = 315338010. Its totient is φ = 48513528.

The previous prime is 145540561. The next prime is 145540613. The reversal of 145540602 is 206045541.

145540602 is a `hidden beast` number, since 1 + 4 + 5 + 54 + 0 + 602 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109432521 + 36108081 = 10461^2 + 6009^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4042777 + ... + 4042812.

Almost surely, 2^145540602 is an apocalyptic number.

145540602 is an abundant number, since it is smaller than the sum of its proper divisors (169797408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145540602 is a wasteful number, since it uses less digits than its factorization.

145540602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085597 (or 8085594 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 145540602 is about 12064.0209714672. The cubic root of 145540602 is about 526.0108741071.

The spelling of 145540602 in words is "one hundred forty-five million, five hundred forty thousand, six hundred two".