147445936 has 40 divisors (see below), whose sum is σ = 312712128. Its totient is φ = 66792000.

The previous prime is 147445927. The next prime is 147445957. The reversal of 147445936 is 639544741.

It is a junction number, because it is equal to n+sod(n) for n = 147445892 and 147445901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56991 + ... + 59521.

Almost surely, 2^147445936 is an apocalyptic number.

147445936 is a gapful number since it is divisible by the number (16) 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 147445936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156356064).

147445936 is an abundant number, since it is smaller than the sum of its proper divisors (165266192).

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

147445936 is a wasteful number, since it uses less digits than its factorization.

147445936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881 (or 2875 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 147445936 is about 12142.7318178407. The cubic root of 147445936 is about 528.2963403816.

The spelling of 147445936 in words is "one hundred forty-seven million, four hundred forty-five thousand, nine hundred thirty-six".