149946046 has 4 divisors (see below), whose sum is σ = 224919072. Its totient is φ = 74973022.

The previous prime is 149946023. The next prime is 149946047. The reversal of 149946046 is 640649941.

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

It is a super-2 number, since 2×149946046² = 44967633422068232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149945993 and 149946011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149946047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37486510 + ... + 37486513.

It is an arithmetic number, because the mean of its divisors is an integer number (56229768).

Almost surely, 2^149946046 is an apocalyptic number.

149946046 is a deficient number, since it is larger than the sum of its proper divisors (74973026).

149946046 is an equidigital number, since it uses as much as digits as its factorization.

149946046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74973025.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 149946046 is about 12245.2458529831. The cubic root of 149946046 is about 531.2655717512.

The spelling of 149946046 in words is "one hundred forty-nine million, nine hundred forty-six thousand, forty-six".