145286554 has 16 divisors (see below), whose sum is σ = 249955776. Its totient is φ = 62042400.

The previous prime is 145286543. The next prime is 145286569. The reversal of 145286554 is 455682541.

It is a super-2 number, since 2×145286554² = 42216365546389832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14532 + ... + 22399.

It is an arithmetic number, because the mean of its divisors is an integer number (15622236).

Almost surely, 2^145286554 is an apocalyptic number.

145286554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145286554 is a deficient number, since it is larger than the sum of its proper divisors (104669222).

145286554 is a wasteful number, since it uses less digits than its factorization.

145286554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37221.

The product of its digits is 192000, while the sum is 40.

The square root of 145286554 is about 12053.4872132508. The cubic root of 145286554 is about 525.7046369063.

The spelling of 145286554 in words is "one hundred forty-five million, two hundred eighty-six thousand, five hundred fifty-four".