145975620 has 48 divisors (see below), whose sum is σ = 467123328. Its totient is φ = 33365760.

The previous prime is 145975607. The next prime is 145975633. The reversal of 145975620 is 26579541.

It is an interprime number because it is at equal distance from previous prime (145975607) and next prime (145975633).

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, 173361 + ... + 174200.

It is an arithmetic number, because the mean of its divisors is an integer number (9731736).

Almost surely, 2^145975620 is an apocalyptic number.

145975620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145975620 is an abundant number, since it is smaller than the sum of its proper divisors (321147708).

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

145975620 is a wasteful number, since it uses less digits than its factorization.

145975620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347580 (or 347578 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 145975620 is about 12082.0370798968. The cubic root of 145975620 is about 526.5344315416.

The spelling of 145975620 in words is "one hundred forty-five million, nine hundred seventy-five thousand, six hundred twenty".