147829966 has 4 divisors (see below), whose sum is σ = 221744952. Its totient is φ = 73914982.

The previous prime is 147829949. The next prime is 147829967. The reversal of 147829966 is 669928741.

It is a happy number.

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

It is a super-2 number, since 2×147829966² = 43707397695122312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147829967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36957490 + ... + 36957493.

It is an arithmetic number, because the mean of its divisors is an integer number (55436238).

Almost surely, 2^147829966 is an apocalyptic number.

147829966 is a deficient number, since it is larger than the sum of its proper divisors (73914986).

147829966 is an equidigital number, since it uses as much as digits as its factorization.

147829966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73914985.

The product of its digits is 1306368, while the sum is 52.

The square root of 147829966 is about 12158.5346978984. The cubic root of 147829966 is about 528.7546004626.

The spelling of 147829966 in words is "one hundred forty-seven million, eight hundred twenty-nine thousand, nine hundred sixty-six".