145294512 has 80 divisors (see below), whose sum is σ = 433579392. Its totient is φ = 41436160.

The previous prime is 145294511. The next prime is 145294543. The reversal of 145294512 is 215492541.

It is a super-2 number, since 2×145294512² = 42220990434636288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (145294511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883 + ... + 17069.

Almost surely, 2^145294512 is an apocalyptic number.

145294512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145294512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216789696).

145294512 is an abundant number, since it is smaller than the sum of its proper divisors (288284880).

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

145294512 is a wasteful number, since it uses less digits than its factorization.

145294512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16226 (or 16220 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 145294512 is about 12053.8173206665. The cubic root of 145294512 is about 525.7142351359.

The spelling of 145294512 in words is "one hundred forty-five million, two hundred ninety-four thousand, five hundred twelve".