145425516 has 12 divisors (see below), whose sum is σ = 339326232. Its totient is φ = 48475168.

The previous prime is 145425479. The next prime is 145425523. The reversal of 145425516 is 615524541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×145425516² = 42297161407732512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6059385 + ... + 6059408.

It is an arithmetic number, because the mean of its divisors is an integer number (28277186).

Almost surely, 2^145425516 is an apocalyptic number.

It is an amenable number.

145425516 is an abundant number, since it is smaller than the sum of its proper divisors (193900716).

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

145425516 is a wasteful number, since it uses less digits than its factorization.

145425516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12118800 (or 12118798 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 145425516 is about 12059.2502254493. The cubic root of 145425516 is about 525.8721901248.

The spelling of 145425516 in words is "one hundred forty-five million, four hundred twenty-five thousand, five hundred sixteen".