149283431 has 8 divisors (see below), whose sum is σ = 162950400. Its totient is φ = 135632440.

The previous prime is 149283427. The next prime is 149283439. The reversal of 149283431 is 134382941.

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

It is a cyclic number.

It is not a de Polignac number, because 149283431 - 2² = 149283427 is a prime.

It is a super-2 number, since 2×149283431² = 44571085542263522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149283391 and 149283400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149283439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24290 + ... + 29808.

It is an arithmetic number, because the mean of its divisors is an integer number (20368800).

Almost surely, 2^149283431 is an apocalyptic number.

149283431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149283431 is a deficient number, since it is larger than the sum of its proper divisors (13666969).

149283431 is a wasteful number, since it uses less digits than its factorization.

149283431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7989.

The product of its digits is 20736, while the sum is 35.

The square root of 149283431 is about 12218.1598860057. The cubic root of 149283431 is about 530.4818579692.

The spelling of 149283431 in words is "one hundred forty-nine million, two hundred eighty-three thousand, four hundred thirty-one".