146266738 has 4 divisors (see below), whose sum is σ = 219400110. Its totient is φ = 73133368.

The previous prime is 146266733. The next prime is 146266739. The reversal of 146266738 is 837662641.

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., 133471809 + 12794929 = 11553^2 + 3577^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146266694 and 146266703.

It is not an unprimeable number, because it can be changed into a prime (146266733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36566683 + ... + 36566686.

Almost surely, 2^146266738 is an apocalyptic number.

146266738 is a deficient number, since it is larger than the sum of its proper divisors (73133372).

146266738 is an equidigital number, since it uses as much as digits as its factorization.

146266738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73133371.

The product of its digits is 290304, while the sum is 43.

The square root of 146266738 is about 12094.0786337778. The cubic root of 146266738 is about 526.8842202391.

The spelling of 146266738 in words is "one hundred forty-six million, two hundred sixty-six thousand, seven hundred thirty-eight".