145099512 has 40 divisors (see below), whose sum is σ = 406414800. Its totient is φ = 48366288.

The previous prime is 145099511. The next prime is 145099517. The reversal of 145099512 is 215990541.

145099512 is a `hidden beast` number, since 1 + 4 + 50 + 99 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145099511) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 111312 + ... + 112607.

It is an arithmetic number, because the mean of its divisors is an integer number (10160370).

Almost surely, 2^145099512 is an apocalyptic number.

145099512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145099512 is an abundant number, since it is smaller than the sum of its proper divisors (261315288).

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

145099512 is a wasteful number, since it uses less digits than its factorization.

145099512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223937 (or 223924 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 145099512 is about 12045.7258809920. The cubic root of 145099512 is about 525.4789425334.

The spelling of 145099512 in words is "one hundred forty-five million, ninety-nine thousand, five hundred twelve".