146285538 has 16 divisors (see below), whose sum is σ = 334367040. Its totient is φ = 41795856.

The previous prime is 146285533. The next prime is 146285539. The reversal of 146285538 is 835582641.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3482989 = 146285538 / (1 + 4 + 6 + 2 + 8 + 5 + 5 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 146285538.

It is not an unprimeable number, because it can be changed into a prime (146285533) 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, 1741453 + ... + 1741536.

It is an arithmetic number, because the mean of its divisors is an integer number (20897940).

Almost surely, 2^146285538 is an apocalyptic number.

146285538 is an abundant number, since it is smaller than the sum of its proper divisors (188081502).

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

146285538 is a wasteful number, since it uses less digits than its factorization.

146285538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483001.

The product of its digits is 230400, while the sum is 42.

The square root of 146285538 is about 12094.8558486656. The cubic root of 146285538 is about 526.9067931519.

The spelling of 146285538 in words is "one hundred forty-six million, two hundred eighty-five thousand, five hundred thirty-eight".