145277954 has 8 divisors (see below), whose sum is σ = 230735628. Its totient is φ = 68366080.

The previous prime is 145277953. The next prime is 145277963. The reversal of 145277954 is 459772541.

It can be written as a sum of positive squares in 2 ways, for example, as 144600625 + 677329 = 12025^2 + 823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145277954² = 42211367836852232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145277953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136407 + ... + 2136474.

Almost surely, 2^145277954 is an apocalyptic number.

145277954 is a deficient number, since it is larger than the sum of its proper divisors (85457674).

145277954 is a wasteful number, since it uses less digits than its factorization.

145277954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272900.

The product of its digits is 352800, while the sum is 44.

The square root of 145277954 is about 12053.1304647382. The cubic root of 145277954 is about 525.6942639595.

The spelling of 145277954 in words is "one hundred forty-five million, two hundred seventy-seven thousand, nine hundred fifty-four".