145396432 has 40 divisors (see below), whose sum is σ = 298391616. Its totient is φ = 68487936.

The previous prime is 145396423. The next prime is 145396457. The reversal of 145396432 is 234693541.

It is a super-2 number, since 2×145396432² = 42280244876661248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145396391 and 145396400.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21708 + ... + 27604.

Almost surely, 2^145396432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145396432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149195808).

145396432 is an abundant number, since it is smaller than the sum of its proper divisors (152995184).

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

145396432 is a wasteful number, since it uses less digits than its factorization.

145396432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5995 (or 5989 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 145396432 is about 12058.0442858699. The cubic root of 145396432 is about 525.8371309712.

The spelling of 145396432 in words is "one hundred forty-five million, three hundred ninety-six thousand, four hundred thirty-two".