145896280 has 32 divisors (see below), whose sum is σ = 334465200. Its totient is φ = 57256576.

The previous prime is 145896251. The next prime is 145896281. The reversal of 145896280 is 82698541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145896281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32290 + ... + 36529.

Almost surely, 2^145896280 is an apocalyptic number.

145896280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145896280 is an abundant number, since it is smaller than the sum of its proper divisors (188568920).

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

145896280 is a wasteful number, since it uses less digits than its factorization.

145896280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68883 (or 68879 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 145896280 is about 12078.7532469208. The cubic root of 145896280 is about 526.4390210601.

The spelling of 145896280 in words is "one hundred forty-five million, eight hundred ninety-six thousand, two hundred eighty".