145485402 has 32 divisors (see below), whose sum is σ = 301855680. Its totient is φ = 46690560.

The previous prime is 145485397. The next prime is 145485409. The reversal of 145485402 is 204584541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145485409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74377 + ... + 76307.

It is an arithmetic number, because the mean of its divisors is an integer number (9432990).

Almost surely, 2^145485402 is an apocalyptic number.

145485402 is an abundant number, since it is smaller than the sum of its proper divisors (156370278).

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

145485402 is a wasteful number, since it uses less digits than its factorization.

145485402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398.

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 145485402 is about 12061.7329600684. The cubic root of 145485402 is about 525.9443646670.

The spelling of 145485402 in words is "one hundred forty-five million, four hundred eighty-five thousand, four hundred two".