145560040 has 32 divisors (see below), whose sum is σ = 327854880. Its totient is φ = 58162752.

The previous prime is 145559989. The next prime is 145560047. The reversal of 145560040 is 40065541.

It is a junction number, because it is equal to n+sod(n) for n = 145559987 and 145560014.

It is not an unprimeable number, because it can be changed into a prime (145560047) 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, 68839 + ... + 70921.

It is an arithmetic number, because the mean of its divisors is an integer number (10245465).

Almost surely, 2^145560040 is an apocalyptic number.

145560040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145560040 is an abundant number, since it is smaller than the sum of its proper divisors (182294840).

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

145560040 is a wasteful number, since it uses less digits than its factorization.

145560040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841 (or 3837 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145560040 is about 12064.8265631960. The cubic root of 145560040 is about 526.0342905835.

The spelling of 145560040 in words is "one hundred forty-five million, five hundred sixty thousand, forty".