146743742 has 4 divisors (see below), whose sum is σ = 220115616. Its totient is φ = 73371870.

The previous prime is 146743733. The next prime is 146743811. The reversal of 146743742 is 247347641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247347641 = 29 ⋅8529229.

It is a junction number, because it is equal to n+sod(n) for n = 146743696 and 146743705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36685934 + ... + 36685937.

It is an arithmetic number, because the mean of its divisors is an integer number (55028904).

Almost surely, 2^146743742 is an apocalyptic number.

146743742 is a deficient number, since it is larger than the sum of its proper divisors (73371874).

146743742 is an equidigital number, since it uses as much as digits as its factorization.

146743742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73371873.

The product of its digits is 112896, while the sum is 38.

The square root of 146743742 is about 12113.7831415293. The cubic root of 146743742 is about 527.4563557101.

The spelling of 146743742 in words is "one hundred forty-six million, seven hundred forty-three thousand, seven hundred forty-two".