145124474 has 16 divisors (see below), whose sum is σ = 238726656. Its totient is φ = 65618400.

The previous prime is 145124449. The next prime is 145124491. The reversal of 145124474 is 474421541.

145124474 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 2×145124474² = 42122225907553352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145124474.

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, 13067 + ... + 21470.

It is an arithmetic number, because the mean of its divisors is an integer number (14920416).

Almost surely, 2^145124474 is an apocalyptic number.

145124474 is a deficient number, since it is larger than the sum of its proper divisors (93602182).

145124474 is a wasteful number, since it uses less digits than its factorization.

145124474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34741.

The product of its digits is 17920, while the sum is 32.

The square root of 145124474 is about 12046.7619715839. The cubic root of 145124474 is about 525.5090741606.

The spelling of 145124474 in words is "one hundred forty-five million, one hundred twenty-four thousand, four hundred seventy-four".