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145835801454 = 2372496040141
BaseRepresentation
bin1000011111010001111…
…1011011101101101110
3111221102112210022100210
42013310133123231232
54342132431121304
6150555051203250
713351642600500
oct2076437335556
9457375708323
10145835801454
1156937565152
1224320146526
13109a192a255
1470b66d7d70
153bd8222c89
hex21f47dbb6e

145835801454 has 24 divisors (see below), whose sum is σ = 339291457128. Its totient is φ = 41667371760.

The previous prime is 145835801429. The next prime is 145835801491. The reversal of 145835801454 is 454108538541.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248019777 + ... + 248020364.

It is an arithmetic number, because the mean of its divisors is an integer number (14137144047).

Almost surely, 2145835801454 is an apocalyptic number.

145835801454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145835801454 is an abundant number, since it is smaller than the sum of its proper divisors (193455655674).

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

145835801454 is a wasteful number, since it uses less digits than its factorization.

145835801454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496040160 (or 496040153 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 145835801454 in words is "one hundred forty-five billion, eight hundred thirty-five million, eight hundred one thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 496040141 992080282 1488120423 2976240846 3472280987 6944561974 10416842961 20833685922 24305966909 48611933818 72917900727 145835801454