145283270 has 32 divisors (see below), whose sum is σ = 286898976. Its totient is φ = 52531200.

The previous prime is 145283263. The next prime is 145283293. The reversal of 145283270 is 72382541.

It is a super-2 number, since 2×145283270² = 42214457083785800, 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 15 ways as a sum of consecutive naturals, for example, 16262 + ... + 23558.

It is an arithmetic number, because the mean of its divisors is an integer number (8965593).

Almost surely, 2^145283270 is an apocalyptic number.

145283270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145283270 is a deficient number, since it is larger than the sum of its proper divisors (141615706).

145283270 is a wasteful number, since it uses less digits than its factorization.

145283270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7496.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 145283270 is about 12053.3509863440. The cubic root of 145283270 is about 525.7006759363.

The spelling of 145283270 in words is "one hundred forty-five million, two hundred eighty-three thousand, two hundred seventy".