145505154 has 16 divisors (see below), whose sum is σ = 306326880. Its totient is φ = 45948960.

The previous prime is 145505149. The next prime is 145505161. The reversal of 145505154 is 451505541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638067 + ... + 638294.

It is an arithmetic number, because the mean of its divisors is an integer number (19145430).

Almost surely, 2^145505154 is an apocalyptic number.

145505154 is an abundant number, since it is smaller than the sum of its proper divisors (160821726).

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

145505154 is a wasteful number, since it uses less digits than its factorization.

145505154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276385.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 145505154 is about 12062.5517200964. The cubic root of 145505154 is about 525.9681654123.

The spelling of 145505154 in words is "one hundred forty-five million, five hundred five thousand, one hundred fifty-four".