146949746 has 4 divisors (see below), whose sum is σ = 220424622. Its totient is φ = 73474872.

The previous prime is 146949739. The next prime is 146949763. The reversal of 146949746 is 647949641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647949641 = 1283 ⋅505027.

It can be written as a sum of positive squares in only one way, i.e., 133148521 + 13801225 = 11539^2 + 3715^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146949694 and 146949703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36737435 + ... + 36737438.

Almost surely, 2^146949746 is an apocalyptic number.

146949746 is a deficient number, since it is larger than the sum of its proper divisors (73474876).

146949746 is an equidigital number, since it uses as much as digits as its factorization.

146949746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73474875.

The product of its digits is 1306368, while the sum is 50.

The square root of 146949746 is about 12122.2830357982. The cubic root of 146949746 is about 527.7030608648.

Adding to 146949746 its sum of digits (50), we get a triangular number (146949796 = T₁₇₁₄₃).

It can be divided in two parts, 1469 and 49746, that added together give a palindrome (51215).

The spelling of 146949746 in words is "one hundred forty-six million, nine hundred forty-nine thousand, seven hundred forty-six".