149046143 has 4 divisors (see below), whose sum is σ = 149073288. Its totient is φ = 149019000.

The previous prime is 149046137. The next prime is 149046151. The reversal of 149046143 is 341640941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341640941 = 6907 ⋅49463.

It is a cyclic number.

It is not a de Polignac number, because 149046143 - 2¹⁶ = 148980607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149046343) 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, 2108 + ... + 17393.

It is an arithmetic number, because the mean of its divisors is an integer number (37268322).

Almost surely, 2^149046143 is an apocalyptic number.

149046143 is a deficient number, since it is larger than the sum of its proper divisors (27145).

149046143 is an equidigital number, since it uses as much as digits as its factorization.

149046143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27144.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 149046143 is about 12208.4455603488. The cubic root of 149046143 is about 530.2006395924.

The spelling of 149046143 in words is "one hundred forty-nine million, forty-six thousand, one hundred forty-three".