145832474 has 16 divisors (see below), whose sum is σ = 227252520. Its totient is φ = 70103040.

The previous prime is 145832473. The next prime is 145832497. The reversal of 145832474 is 474238541.

It can be written as a sum of positive squares in 4 ways, for example, as 141443449 + 4389025 = 11893^2 + 2095^2 .

It is a super-2 number, since 2×145832474² = 42534220945921352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145832471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8762 + ... + 19194.

Almost surely, 2^145832474 is an apocalyptic number.

145832474 is a deficient number, since it is larger than the sum of its proper divisors (81420046).

145832474 is a wasteful number, since it uses less digits than its factorization.

145832474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705.

The product of its digits is 107520, while the sum is 38.

The square root of 145832474 is about 12076.1117086585. Note that the first 3 decimals coincide. The cubic root of 145832474 is about 526.3622659249.

The spelling of 145832474 in words is "one hundred forty-five million, eight hundred thirty-two thousand, four hundred seventy-four".