145624154 has 24 divisors (see below), whose sum is σ = 239442420. Its totient is φ = 66030912.

The previous prime is 145624153. The next prime is 145624177. The reversal of 145624154 is 451426541.

It can be written as a sum of positive squares in 2 ways, for example, as 143448529 + 2175625 = 11977^2 + 1475^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145624154.

It is not an unprimeable number, because it can be changed into a prime (145624153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89702 + ... + 91310.

Almost surely, 2^145624154 is an apocalyptic number.

145624154 is a deficient number, since it is larger than the sum of its proper divisors (93818266).

145624154 is a wasteful number, since it uses less digits than its factorization.

145624154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1683 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 145624154 is about 12067.4833333218. The cubic root of 145624154 is about 526.1115123540. Note that the first 3 decimals are identical.

The spelling of 145624154 in words is "one hundred forty-five million, six hundred twenty-four thousand, one hundred fifty-four".