145738434 has 32 divisors (see below), whose sum is σ = 296797824. Its totient is φ = 47698560.

The previous prime is 145738429. The next prime is 145738447. The reversal of 145738434 is 434837541.

145738434 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 2×145738434² = 42479382289544712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145738392 and 145738401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132792 + ... + 133884.

It is an arithmetic number, because the mean of its divisors is an integer number (9274932).

Almost surely, 2^145738434 is an apocalyptic number.

145738434 is an abundant number, since it is smaller than the sum of its proper divisors (151059390).

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

145738434 is a wasteful number, since it uses less digits than its factorization.

145738434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482.

The product of its digits is 161280, while the sum is 39.

The square root of 145738434 is about 12072.2174433697. The cubic root of 145738434 is about 526.2491001126.

The spelling of 145738434 in words is "one hundred forty-five million, seven hundred thirty-eight thousand, four hundred thirty-four".