149720260 has 12 divisors (see below), whose sum is σ = 314412588. Its totient is φ = 59888096.

The previous prime is 149720257. The next prime is 149720269. The reversal of 149720260 is 62027941.

It can be written as a sum of positive squares in 2 ways, for example, as 106791556 + 42928704 = 10334^2 + 6552^2 .

It is not an unprimeable number, because it can be changed into a prime (149720269) 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, 3742987 + ... + 3743026.

It is an arithmetic number, because the mean of its divisors is an integer number (26201049).

Almost surely, 2^149720260 is an apocalyptic number.

149720260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149720260 is an abundant number, since it is smaller than the sum of its proper divisors (164692328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149720260 is a wasteful number, since it uses less digits than its factorization.

149720260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7486022 (or 7486020 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 149720260 is about 12236.0230467256. The cubic root of 149720260 is about 530.9987811525.

The spelling of 149720260 in words is "one hundred forty-nine million, seven hundred twenty thousand, two hundred sixty".