145051512 has 32 divisors (see below), whose sum is σ = 364538880. Its totient is φ = 48095840.

The previous prime is 145051499. The next prime is 145051519. The reversal of 145051512 is 215150541.

145051512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145051512² = 42079882266972288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145051519) 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, 11238 + ... + 20405.

It is an arithmetic number, because the mean of its divisors is an integer number (11391840).

Almost surely, 2^145051512 is an apocalyptic number.

145051512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145051512 is an abundant number, since it is smaller than the sum of its proper divisors (219487368).

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

145051512 is a wasteful number, since it uses less digits than its factorization.

145051512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31843 (or 31839 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 145051512 is about 12043.7333082396. The cubic root of 145051512 is about 525.4209920259.

The spelling of 145051512 in words is "one hundred forty-five million, fifty-one thousand, five hundred twelve".