145379340 has 48 divisors (see below), whose sum is σ = 452292960. Its totient is φ = 38767680.

The previous prime is 145379321. The next prime is 145379383. The reversal of 145379340 is 43973541.

It is a super-2 number, since 2×145379340² = 42270304997671200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 145379295 and 145379304.

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, 134071 + ... + 135150.

It is an arithmetic number, because the mean of its divisors is an integer number (9422770).

Almost surely, 2^145379340 is an apocalyptic number.

145379340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145379340 is an abundant number, since it is smaller than the sum of its proper divisors (306913620).

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

145379340 is a wasteful number, since it uses less digits than its factorization.

145379340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269239 (or 269231 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 145379340 is about 12057.3355265581. The cubic root of 145379340 is about 525.8165253293.

The spelling of 145379340 in words is "one hundred forty-five million, three hundred seventy-nine thousand, three hundred forty".