145541754 has 12 divisors (see below), whose sum is σ = 315340506. Its totient is φ = 48513912.

The previous prime is 145541741. The next prime is 145541761. The reversal of 145541754 is 457145541.

145541754 is a `hidden beast` number, since 1 + 45 + 541 + 75 + 4 = 666.

145541754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 144648729 + 893025 = 12027^2 + 945^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4042809 + ... + 4042844.

Almost surely, 2^145541754 is an apocalyptic number.

145541754 is an abundant number, since it is smaller than the sum of its proper divisors (169798752).

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

145541754 is a wasteful number, since it uses less digits than its factorization.

145541754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085661 (or 8085658 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 145541754 is about 12064.0687166478. The cubic root of 145541754 is about 526.0122619511.

The spelling of 145541754 in words is "one hundred forty-five million, five hundred forty-one thousand, seven hundred fifty-four".