145455480 has 64 divisors (see below), whose sum is σ = 484855200. Its totient is φ = 38787840.

The previous prime is 145455463. The next prime is 145455517. The reversal of 145455480 is 84554541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66261 + ... + 68420.

Almost surely, 2^145455480 is an apocalyptic number.

145455480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145455480 is an abundant number, since it is smaller than the sum of its proper divisors (339399720).

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

145455480 is a wasteful number, since it uses less digits than its factorization.

145455480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134701 (or 134691 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The square root of 145455480 is about 12060.4925272561. The cubic root of 145455480 is about 525.9083051813.

It can be divided in two parts, 145 and 455480, that added together give a square (455625 = 675²).

The spelling of 145455480 in words is "one hundred forty-five million, four hundred fifty-five thousand, four hundred eighty".