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148451941 = 1113495631
BaseRepresentation
bin10001101100100…
…11001001100101
3101100100010210001
420312103021211
5301000430231
622421501301
73451551331
oct1066231145
9340303701
10148451941
1176885160
1241871831
13249a93b1
1415a047c1
15d075b61
hex8d93265

148451941 has 4 divisors (see below), whose sum is σ = 161947584. Its totient is φ = 134956300.

The previous prime is 148451923. The next prime is 148451969. The reversal of 148451941 is 149154841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148451941 - 25 = 148451909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148451941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148451041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6747805 + ... + 6747826.

It is an arithmetic number, because the mean of its divisors is an integer number (40486896).

Almost surely, 2148451941 is an apocalyptic number.

148451941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148451941 is a deficient number, since it is larger than the sum of its proper divisors (13495643).

148451941 is a wasteful number, since it uses less digits than its factorization.

148451941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13495642.

The product of its digits is 23040, while the sum is 37.

The square root of 148451941 is about 12184.0855627331. The cubic root of 148451941 is about 529.4951178690.

The spelling of 148451941 in words is "one hundred forty-eight million, four hundred fifty-one thousand, nine hundred forty-one".

Divisors: 1 11 13495631 148451941