146451516 has 24 divisors (see below), whose sum is σ = 342405840. Its totient is φ = 48719232.

The previous prime is 146451499. The next prime is 146451521. The reversal of 146451516 is 615154641.

146451516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5881 + ... + 18096.

It is an arithmetic number, because the mean of its divisors is an integer number (14266910).

Almost surely, 2^146451516 is an apocalyptic number.

It is an amenable number.

146451516 is an abundant number, since it is smaller than the sum of its proper divisors (195954324).

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

146451516 is a wasteful number, since it uses less digits than its factorization.

146451516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24493 (or 24491 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 146451516 is about 12101.7154155929. The cubic root of 146451516 is about 527.1059968959.

It can be divided in two parts, 14645 and 1516, that added together give a palindrome (16161).

The spelling of 146451516 in words is "one hundred forty-six million, four hundred fifty-one thousand, five hundred sixteen".