145918954 has 16 divisors (see below), whose sum is σ = 224528040. Its totient is φ = 71098560.

The previous prime is 145918951. The next prime is 145918991. The reversal of 145918954 is 459819541.

It is a happy number.

145918954 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 4 ways, for example, as 104509729 + 41409225 = 10223^2 + 6435^2 .

It is a super-2 number, since 2×145918954² = 42584682272908232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145918951) 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, 7812 + ... + 18784.

Almost surely, 2^145918954 is an apocalyptic number.

145918954 is a deficient number, since it is larger than the sum of its proper divisors (78609086).

145918954 is a wasteful number, since it uses less digits than its factorization.

145918954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145.

The product of its digits is 259200, while the sum is 46.

The square root of 145918954 is about 12079.6918007042. The cubic root of 145918954 is about 526.4662912552.

The spelling of 145918954 in words is "one hundred forty-five million, nine hundred eighteen thousand, nine hundred fifty-four".