146429506 has 4 divisors (see below), whose sum is σ = 219644262. Its totient is φ = 73214752.

The previous prime is 146429473. The next prime is 146429519. The reversal of 146429506 is 605924641.

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

It can be written as a sum of positive squares in only one way, i.e., 145419481 + 1010025 = 12059^2 + 1005^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36607375 + ... + 36607378.

Almost surely, 2^146429506 is an apocalyptic number.

146429506 is a deficient number, since it is larger than the sum of its proper divisors (73214756).

146429506 is an equidigital number, since it uses as much as digits as its factorization.

146429506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73214755.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 146429506 is about 12100.8060062130. The cubic root of 146429506 is about 527.0795895575.

The spelling of 146429506 in words is "one hundred forty-six million, four hundred twenty-nine thousand, five hundred six".