146787490851 has 4 divisors (see below), whose sum is σ = 195716654472. Its totient is φ = 97858327232.

The previous prime is 146787490813. The next prime is 146787490859. The reversal of 146787490851 is 158094787641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146787490851 - 2¹⁷ = 146787359779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146787490859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24464581806 + ... + 24464581811.

It is an arithmetic number, because the mean of its divisors is an integer number (48929163618).

Almost surely, 2^146787490851 is an apocalyptic number.

146787490851 is a deficient number, since it is larger than the sum of its proper divisors (48929163621).

146787490851 is an equidigital number, since it uses as much as digits as its factorization.

146787490851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48929163620.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 146787490851 in words is "one hundred forty-six billion, seven hundred eighty-seven million, four hundred ninety thousand, eight hundred fifty-one".