145349556 has 36 divisors (see below), whose sum is σ = 372787296. Its totient is φ = 44044880.

The previous prime is 145349467. The next prime is 145349593. The reversal of 145349556 is 655943541.

It is a super-2 number, since 2×145349556² = 42252986858794272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48600 + ... + 51503.

Almost surely, 2^145349556 is an apocalyptic number.

It is an amenable number.

145349556 is an abundant number, since it is smaller than the sum of its proper divisors (227437740).

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

145349556 is a wasteful number, since it uses less digits than its factorization.

145349556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100132 (or 100119 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The square root of 145349556 is about 12056.1003645457. The cubic root of 145349556 is about 525.7806147040.

It can be divided in two parts, 14534 and 9556, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 145349556 in words is "one hundred forty-five million, three hundred forty-nine thousand, five hundred fifty-six".