149642011 has 2 divisors, whose sum is σ = 149642012. Its totient is φ = 149642010.

The previous prime is 149641993. The next prime is 149642027. The reversal of 149642011 is 110246941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149642011 - 2¹³ = 149633819 is a prime.

It is a super-2 number, since 2×149642011² = 44785462912248242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149642411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74821005 + 74821006.

It is an arithmetic number, because the mean of its divisors is an integer number (74821006).

Almost surely, 2^149642011 is an apocalyptic number.

149642011 is a deficient number, since it is larger than the sum of its proper divisors (1).

149642011 is an equidigital number, since it uses as much as digits as its factorization.

149642011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 149642011 is about 12232.8251438496. The cubic root of 149642011 is about 530.9062589064.

Adding to 149642011 its reverse (110246941), we get a palindrome (259888952).

The spelling of 149642011 in words is "one hundred forty-nine million, six hundred forty-two thousand, eleven".