149806078 has 8 divisors (see below), whose sum is σ = 224805240. Its totient is φ = 74871000.

The previous prime is 149806073. The next prime is 149806079. The reversal of 149806078 is 870608941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×149806078² = 44883722011484168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149806073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9673 + ... + 19828.

It is an arithmetic number, because the mean of its divisors is an integer number (28100655).

Almost surely, 2^149806078 is an apocalyptic number.

149806078 is a deficient number, since it is larger than the sum of its proper divisors (74999162).

149806078 is a wasteful number, since it uses less digits than its factorization.

149806078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32042.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 149806078 is about 12239.5293210156. The cubic root of 149806078 is about 531.1002159874.

The spelling of 149806078 in words is "one hundred forty-nine million, eight hundred six thousand, seventy-eight".