147996149 has 16 divisors (see below), whose sum is σ = 178759680. Its totient is φ = 119692080.

The previous prime is 147996143. The next prime is 147996197. The reversal of 147996149 is 941699741.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 147996149 - 2⁴ = 147996133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147996097 and 147996106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147996143) 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, 32864 + ... + 37094.

It is an arithmetic number, because the mean of its divisors is an integer number (11172480).

Almost surely, 2^147996149 is an apocalyptic number.

147996149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

147996149 is a deficient number, since it is larger than the sum of its proper divisors (30763531).

147996149 is a wasteful number, since it uses less digits than its factorization.

147996149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520.

The product of its digits is 489888, while the sum is 50.

The square root of 147996149 is about 12165.3667844418. The cubic root of 147996149 is about 528.9526593594.

The spelling of 147996149 in words is "one hundred forty-seven million, nine hundred ninety-six thousand, one hundred forty-nine".