149419553742 has 16 divisors (see below), whose sum is σ = 332043452880. Its totient is φ = 49806517896.

The previous prime is 149419553707. The next prime is 149419553743. The reversal of 149419553742 is 247355914941.

149419553742 is a `hidden beast` number, since 1 + 4 + 9 + 4 + 19 + 553 + 74 + 2 = 666.

149419553742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2767028773 = 149419553742 / (1 + 4 + 9 + 4 + 1 + 9 + 5 + 5 + 3 + 7 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149419553743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383514333 + ... + 1383514440.

It is an arithmetic number, because the mean of its divisors is an integer number (20752715805).

Almost surely, 2^149419553742 is an apocalyptic number.

149419553742 is an abundant number, since it is smaller than the sum of its proper divisors (182623899138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149419553742 is a wasteful number, since it uses less digits than its factorization.

149419553742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767028784 (or 2767028778 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 149419553742 in words is "one hundred forty-nine billion, four hundred nineteen million, five hundred fifty-three thousand, seven hundred forty-two".