145021510 has 16 divisors (see below), whose sum is σ = 267406272. Its totient is φ = 56593600.

The previous prime is 145021507. The next prime is 145021511. The reversal of 145021510 is 15120541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145021511) 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, 176446 + ... + 177265.

It is an arithmetic number, because the mean of its divisors is an integer number (16712892).

Almost surely, 2^145021510 is an apocalyptic number.

145021510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145021510 is a deficient number, since it is larger than the sum of its proper divisors (122384762).

145021510 is a wasteful number, since it uses less digits than its factorization.

145021510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353759.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 145021510 is about 12042.4876998069. The cubic root of 145021510 is about 525.3847640511.

The spelling of 145021510 in words is "one hundred forty-five million, twenty-one thousand, five hundred ten".