146457746 has 4 divisors (see below), whose sum is σ = 219686622. Its totient is φ = 73228872.

The previous prime is 146457713. The next prime is 146457749. The reversal of 146457746 is 647754641.

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., 145467721 + 990025 = 12061^2 + 995^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146457697 and 146457706.

It is not an unprimeable number, because it can be changed into a prime (146457749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36614435 + ... + 36614438.

Almost surely, 2^146457746 is an apocalyptic number.

146457746 is a deficient number, since it is larger than the sum of its proper divisors (73228876).

146457746 is an equidigital number, since it uses as much as digits as its factorization.

146457746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73228875.

The product of its digits is 564480, while the sum is 44.

The square root of 146457746 is about 12101.9728143803. The cubic root of 146457746 is about 527.1134710960.

The spelling of 146457746 in words is "one hundred forty-six million, four hundred fifty-seven thousand, seven hundred forty-six".