149471743 has 2 divisors, whose sum is σ = 149471744. Its totient is φ = 149471742.

The previous prime is 149471737. The next prime is 149471783. The reversal of 149471743 is 347174941.

It is an a-pointer prime, because the next prime (149471783) can be obtained adding 149471743 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149471743 - 2⁵ = 149471711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149471696 and 149471705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149471723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74735871 + 74735872.

It is an arithmetic number, because the mean of its divisors is an integer number (74735872).

Almost surely, 2^149471743 is an apocalyptic number.

149471743 is a deficient number, since it is larger than the sum of its proper divisors (1).

149471743 is an equidigital number, since it uses as much as digits as its factorization.

149471743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 149471743 is about 12225.8636913717. The cubic root of 149471743 is about 530.7048211475.

It can be divided in two parts, 1494 and 71743, that added together give a palindrome (73237).

The spelling of 149471743 in words is "one hundred forty-nine million, four hundred seventy-one thousand, seven hundred forty-three".