149985145 has 16 divisors (see below), whose sum is σ = 190270080. Its totient is φ = 113184000.

The previous prime is 149985137. The next prime is 149985149. The reversal of 149985145 is 541589941.

It is a happy number.

It is not a de Polignac number, because 149985145 - 2³ = 149985137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149985095 and 149985104.

It is not an unprimeable number, because it can be changed into a prime (149985149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19620 + ... + 26170.

It is an arithmetic number, because the mean of its divisors is an integer number (11891880).

Almost surely, 2^149985145 is an apocalyptic number.

It is an amenable number.

149985145 is a deficient number, since it is larger than the sum of its proper divisors (40284935).

149985145 is a wasteful number, since it uses less digits than its factorization.

149985145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816.

The product of its digits is 259200, while the sum is 46.

The square root of 149985145 is about 12246.8422460649. The cubic root of 149985145 is about 531.3117442422.

The spelling of 149985145 in words is "one hundred forty-nine million, nine hundred eighty-five thousand, one hundred forty-five".