149369566 has 8 divisors (see below), whose sum is σ = 226890720. Its totient is φ = 73739328.

The previous prime is 149369551. The next prime is 149369569. The reversal of 149369566 is 665963941.

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

It is a super-2 number, since 2×149369566² = 44622534494056712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149369569) 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, 472531 + ... + 472846.

It is an arithmetic number, because the mean of its divisors is an integer number (28361340).

Almost surely, 2^149369566 is an apocalyptic number.

149369566 is a deficient number, since it is larger than the sum of its proper divisors (77521154).

149369566 is an equidigital number, since it uses as much as digits as its factorization.

149369566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945458.

The product of its digits is 1049760, while the sum is 49.

The square root of 149369566 is about 12221.6842538171. The cubic root of 149369566 is about 530.5838658728.

The spelling of 149369566 in words is "one hundred forty-nine million, three hundred sixty-nine thousand, five hundred sixty-six".