145598074 has 4 divisors (see below), whose sum is σ = 218397114. Its totient is φ = 72799036.

The previous prime is 145598069. The next prime is 145598111. The reversal of 145598074 is 470895541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 94575625 + 51022449 = 9725^2 + 7143^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145598074.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36399517 + ... + 36399520.

Almost surely, 2^145598074 is an apocalyptic number.

145598074 is a deficient number, since it is larger than the sum of its proper divisors (72799040).

145598074 is an equidigital number, since it uses as much as digits as its factorization.

145598074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72799039.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 145598074 is about 12066.4026950869. The cubic root of 145598074 is about 526.0801031703.

The spelling of 145598074 in words is "one hundred forty-five million, five hundred ninety-eight thousand, seventy-four".