145915630 has 64 divisors (see below), whose sum is σ = 322560000. Its totient is φ = 47373984.

The previous prime is 145915621. The next prime is 145915631. The reversal of 145915630 is 36519541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145915631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64051 + ... + 66289.

It is an arithmetic number, because the mean of its divisors is an integer number (5040000).

Almost surely, 2^145915630 is an apocalyptic number.

145915630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145915630 is an abundant number, since it is smaller than the sum of its proper divisors (176644370).

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

145915630 is a wasteful number, since it uses less digits than its factorization.

145915630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 145915630 is about 12079.5542136289. The cubic root of 145915630 is about 526.4622936314.

The spelling of 145915630 in words is "one hundred forty-five million, nine hundred fifteen thousand, six hundred thirty".