145423080 has 128 divisors (see below), whose sum is σ = 528854400. Its totient is φ = 35251200.

The previous prime is 145423073. The next prime is 145423087. The reversal of 145423080 is 80324541.

145423080 is a `hidden beast` number, since 14 + 542 + 30 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (145423073) and next prime (145423087).

It is a super-2 number, since 2×145423080² = 42295744393372800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145423087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5760 + ... + 18000.

It is an arithmetic number, because the mean of its divisors is an integer number (4131675).

Almost surely, 2^145423080 is an apocalyptic number.

145423080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145423080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264427200).

145423080 is an abundant number, since it is smaller than the sum of its proper divisors (383431320).

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

145423080 is a wasteful number, since it uses less digits than its factorization.

145423080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272 (or 12262 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 145423080 is about 12059.1492237222. The cubic root of 145423080 is about 525.8692538409.

The spelling of 145423080 in words is "one hundred forty-five million, four hundred twenty-three thousand, eighty".