148695647490 has 384 divisors, whose sum is σ = 456228864000. Its totient is φ = 33273192960.

The previous prime is 148695647467. The next prime is 148695647497. The reversal of 148695647490 is 94746596841.

148695647490 is a `hidden beast` number, since 1 + 4 + 8 + 69 + 564 + 7 + 4 + 9 + 0 = 666.

It is a super-2 number, since 2×148695647490² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (148695647497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 87518661 + ... + 87520359.

It is an arithmetic number, because the mean of its divisors is an integer number (1188096000).

Almost surely, 2^148695647490 is an apocalyptic number.

148695647490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148695647490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228114432000).

148695647490 is an abundant number, since it is smaller than the sum of its proper divisors (307533216510).

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

148695647490 is a wasteful number, since it uses less digits than its factorization.

148695647490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 148695647490 in words is "one hundred forty-eight billion, six hundred ninety-five million, six hundred forty-seven thousand, four hundred ninety".