145437280 has 48 divisors (see below), whose sum is σ = 358543584. Its totient is φ = 55644160.

The previous prime is 145437277. The next prime is 145437287. The reversal of 145437280 is 82734541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145437287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16081 + ... + 23440.

It is an arithmetic number, because the mean of its divisors is an integer number (7469658).

Almost surely, 2^145437280 is an apocalyptic number.

145437280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145437280 is an abundant number, since it is smaller than the sum of its proper divisors (213106304).

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

145437280 is a wasteful number, since it uses less digits than its factorization.

145437280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39559 (or 39551 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 145437280 is about 12059.7379739362. The cubic root of 145437280 is about 525.8863696484.

The spelling of 145437280 in words is "one hundred forty-five million, four hundred thirty-seven thousand, two hundred eighty".