145215610 has 16 divisors (see below), whose sum is σ = 263448576. Its totient is φ = 57628368.

The previous prime is 145215607. The next prime is 145215611. The reversal of 145215610 is 16512541.

It is a happy number.

145215610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145215611) 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, 55902 + ... + 58441.

It is an arithmetic number, because the mean of its divisors is an integer number (16465536).

Almost surely, 2^145215610 is an apocalyptic number.

145215610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145215610 is a deficient number, since it is larger than the sum of its proper divisors (118232966).

145215610 is a wasteful number, since it uses less digits than its factorization.

145215610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114477.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 145215610 is about 12050.5439711243. The cubic root of 145215610 is about 525.6190550891.

The spelling of 145215610 in words is "one hundred forty-five million, two hundred fifteen thousand, six hundred ten".